open-vault/helper/mfa/duo/path_duo_config.go

101 lines
2.4 KiB
Go

package duo
import (
"errors"
"strings"
"github.com/hashicorp/vault/logical"
"github.com/hashicorp/vault/logical/framework"
)
func pathDuoConfig() *framework.Path {
return &framework.Path{
Pattern: `duo/config`,
Fields: map[string]*framework.FieldSchema{
"user_agent": &framework.FieldSchema{
Type: framework.TypeString,
Description: "User agent to connect to Duo (default \"\")",
},
"username_format": &framework.FieldSchema{
Type: framework.TypeString,
Description: "Format string given auth backend username as argument to create Duo username (default '%s')",
},
},
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.UpdateOperation: pathDuoConfigWrite,
logical.ReadOperation: pathDuoConfigRead,
},
HelpSynopsis: pathDuoConfigHelpSyn,
HelpDescription: pathDuoConfigHelpDesc,
}
}
func GetDuoConfig(req *logical.Request) (*DuoConfig, error) {
var result DuoConfig
// all config parameters are optional, so path need not exist
entry, err := req.Storage.Get("duo/config")
if err == nil && entry != nil {
if err := entry.DecodeJSON(&result); err != nil {
return nil, err
}
}
if result.UsernameFormat == "" {
result.UsernameFormat = "%s"
}
return &result, nil
}
func pathDuoConfigWrite(
req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
username_format := d.Get("username_format").(string)
if !strings.Contains(username_format, "%s") {
return nil, errors.New("username_format must include username ('%s')")
}
entry, err := logical.StorageEntryJSON("duo/config", DuoConfig{
UsernameFormat: username_format,
})
if err != nil {
return nil, err
}
if err := req.Storage.Put(entry); err != nil {
return nil, err
}
return nil, nil
}
func pathDuoConfigRead(
req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
config, err := GetDuoConfig(req)
if err != nil {
return nil, err
}
if config == nil {
return nil, nil
}
return &logical.Response{
Data: map[string]interface{}{
"username_format": config.UsernameFormat,
},
}, nil
}
type DuoConfig struct {
UsernameFormat string `json:"username_format"`
UserAgent string `json:"user_agent"`
}
const pathDuoConfigHelpSyn = `
Configure Duo second factor behavior.
`
const pathDuoConfigHelpDesc = `
This endpoint allows you to configure how the original auth backend username maps to
the Duo username by providing a template format string.
`